CN209430260U - A kind of crankcase bleed pipe anti-icing equipment and vehicle - Google Patents
A kind of crankcase bleed pipe anti-icing equipment and vehicle Download PDFInfo
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- CN209430260U CN209430260U CN201920007564.6U CN201920007564U CN209430260U CN 209430260 U CN209430260 U CN 209430260U CN 201920007564 U CN201920007564 U CN 201920007564U CN 209430260 U CN209430260 U CN 209430260U
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- pipe
- connecting tube
- crankcase
- crankcase bleed
- bleed pipe
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Abstract
The utility model provides a kind of crankcase bleed pipe anti-icing equipment, and described device includes mixing tank (1), crankcase bleed pipe (2), EGR pipe (3) and engine air inlet tube (4);The mixing tank (1) includes: the first connecting tube (5), the second connecting tube (6) and connecting hole (7);First connecting tube (5) is connected with crankcase bleed pipe (2);Second connecting tube (6) is connected with EGR pipe (3);The pipe circumference of the engine air inlet tube (4) is separated by the first venthole (8);The connecting hole (7) is connected with the first venthole (8) of engine air inlet tube (4).Crankcase bleed pipe anti-icing equipment described in the utility model heats crankcase ventilation pipe fitting by hot gas in low pressure EGR, can effectively solve the problem that the ice formation issues under crankcase bleed pipe low temperature environment.
Description
Technical field
The utility model relates to technical field of automobile parts, in particular to a kind of crankcase bleed pipe anti-icing equipment and
Vehicle.
Background technique
With the development of economy, living standards of the people are continuously improved, and automobile has come into huge numbers of families.China is vast in territory,
The north and south temperature difference is very big, and the Northeast and the Northwest's temperature are regular lower than -40 DEG C.Under this natural environment, fuel vehicle is bent
Increasing so as to cause engine oil pressure, starting often occur freezing to block with engine air inlet tube interface in crankcase ventilation pipe
The problem of machine oil envelope disengages oil leak.
Most of vehicle does not have crankcase ventilation pipe fitting heating device currently on the market, in psychro-environment down train crankshaft
The crank case gases come out in case ventilation duct, with air-cleaner snorkel river conjunction at because hot and cold air is gathered, be easy
Cause to freeze herein and block crankcase bleed pipe, crankcase pressure increases, and falls off, damages so as to cause oil sealing oil leak, oil sealing
Engine, consequence are serious;
Part vehicle uses the electrically heated scheme of crankcase ventilation pipe fitting, needs automatically controlled data intervention control, and control is complicated,
Development cost is higher;
By the way of coolant liquid heating, this mode heats slowly part vehicle, vehicle start after in the short time water temperature compared with
Low, heating effect is unobvious in the short time, only vehicle driving for a period of time after just gradually generation acts on, and need to increase independent
Coolant circulation unit, be unfavorable for the control of integral vehicle cost, weight.
Utility model content
In view of this, the utility model is directed to a kind of crankcase bleed pipe anti-icing equipment and vehicle, to solve mesh
Preceding vehicle most of in the market does not have the technical issues of crankcase ventilation pipe fitting heating device.
In order to achieve the above objectives, the technical solution of the utility model is achieved in that
A kind of crankcase bleed pipe anti-icing equipment, described device include mixing tank 1, crankcase bleed pipe 2,3 and of EGR pipe
Engine air inlet tube 4;The mixing tank 1 includes: the first connecting tube 5, the second connecting tube 6 and connecting hole 7;
First connecting tube 5 is connected with crankcase bleed pipe 2;
Second connecting tube 6 is connected with EGR pipe 3;
The pipe circumference of the engine air inlet tube 4 is separated by the first venthole 8;
The connecting hole 7 is connected with the first venthole 8 of engine air inlet tube 4.
Further, first connecting tube 5 is with the junction of crankcase bleed pipe 2 using interference fit.
Further, the second connecting tube 6 is with the junction of EGR pipe 3 using interference fit.
Further, flange, the outer diameter and crankshaft of first connecting tube 5 are provided at the outer diameter of first connecting tube 5
The internal diameter of case ventilation duct 2 is identical.
Further, flange, the outer diameter and EGR pipe of second connecting tube 6 are provided at the outer diameter of second connecting tube 6
3 internal diameter is identical.
Further, the inner radius of the connecting hole 7 is provided with the internal screw thread matched with 4 external screw thread of engine air inlet tube.
Further, the mixing tank 1 is made of PA66-GF30 or PA6-GF30.
Compared with the existing technology, a kind of crankcase bleed pipe anti-icing equipment described in the utility model has following excellent
Gesture:
(1) crankcase bleed pipe anti-icing equipment described in the utility model heats crankcase by hot gas in low pressure EGR
Vent pipe fittings can effectively solve the problem that the ice formation issues under crankcase bleed pipe low temperature environment;
(2) crankcase bleed pipe anti-icing equipment described in the utility model reduces bent compared to conventional crankshafts case draft type
Crankcase ventilation ice blockage risk;
(3) crankcase bleed pipe anti-icing equipment described in the utility model is reduced compared to crankcase ventilation Electric heating
Product cost and product complexity;
(4) crankcase bleed pipe anti-icing equipment described in the utility model is reduced compared to crankcase coolant liquid heating method
Product cost and weight;
(5) crankcase bleed pipe anti-icing equipment described in the utility model compares conventional low voltage EGR and engine charge
Pipe connection type reduces EGR exhaust and engine air inlet tube Contact Temperature, can reduce engine charge tube material heatproof etc.
Grade, substantially reduces product cost.
In order to achieve the above objectives, the technical solution of the utility model is achieved in that
A kind of vehicle, the vehicle include aforementioned crankcase bleed pipe anti-icing equipment.
Compared with the existing technology, vehicle described in the utility model has the advantage that
(1) vehicle described in the utility model can heat crankcase ventilation pipe fitting by hot gas in low pressure EGR, can
Effectively solve the ice formation issues under crankcase bleed pipe low temperature environment;
(2) the crankcase bleed pipe anti-icing equipment in vehicle described in the utility model compares conventional crankshafts case ventilation side
Formula reduces crankcase ventilation ice blockage risk;
(3) vehicle crank shaft case ventilation duct anti-icing equipment described in the utility model compares crankcase ventilation Electric heating
Reduce product cost and product complexity;
(4) vehicle crank shaft case ventilation duct anti-icing equipment described in the utility model compares crankcase coolant liquid heating method
Reduce product cost and weight;
(5) vehicle crank shaft case ventilation duct anti-icing equipment described in the utility model compares conventional low voltage EGR and engine
Air inlet pipe connection type reduces EGR exhaust and engine air inlet tube Contact Temperature, and it is resistance to can to reduce engine charge tube material
Warm grade, substantially reduces product cost.
Detailed description of the invention
The attached drawing for constituting a part of the utility model is used to provide a further understanding of the present invention, this is practical new
The illustrative embodiments and their description of type are not constituteed improper limits to the present invention for explaining the utility model.?
In attached drawing:
Fig. 1 is a kind of crankcase bleed pipe anti-icing equipment schematic diagram described in the utility model embodiment;
Fig. 2 is mixing tank schematic diagram described in the utility model embodiment.
Description of symbols:
1- mixing tank, 2- crankcase bleed pipe, 3-EGR pipe, 4- engine air inlet tube, the first connecting tube of 5-, 6- second connect
Adapter tube, 7- connecting hole.
Specific embodiment
It should be noted that in the absence of conflict, the feature in the embodiments of the present invention and embodiment can
To be combined with each other.
The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
Referring to Figures 1 and 2, present embodiment discloses a kind of crankcase bleed pipe anti-icing equipment, described device includes mixed
Mould assembling 1, crankcase bleed pipe 2, EGR pipe 3 and engine air inlet tube 4;The mixing tank 1 includes: that the first connecting tube 5, second connects
Adapter tube 6 and connecting hole 7;
First connecting tube 5 is connected with crankcase bleed pipe 2;
Second connecting tube 6 is connected with EGR pipe 3;
The pipe circumference of the engine air inlet tube 4 is separated by the first venthole 8;
The connecting hole 7 is connected with the first venthole 8 of engine air inlet tube 4.
It is to reduce the risk that crankcase ventilation pipe fitting freezes, crankcase bleed pipe and low EGR pipe is same in the present embodiment
When be connected on mixer.150 come out from the crank case gases (10 DEG C or so) of crankcase bleed pipe out with low pressure EGR
DEG C or so gas mixed in mixer, make crankcase gas temperature increase, reduce crank case gases encounter air filter escape pipe
In cold air when condensation efficiency, to prevent from freezing.
Further, first connecting tube 5 is with the junction of crankcase bleed pipe 2 using interference fit.
The junction of second connecting tube 6 and EGR pipe 3, which uses, to be interference fitted.
In the present embodiment, the outer diameter of first connecting tube 5 is slightly larger than the internal diameter of crankcase bleed pipe 2, so that first connects
Adapter tube 5 is not easy to fall off when connecting with crankcase bleed pipe 2;The outer diameter of second connecting tube 6 is slightly larger than the internal diameter of EGR pipe 3,
So that the second connecting tube 6 is not easy to fall off when connecting with EGR pipe 3.Such as: the outer diameter of the first connecting tube 5 is 12.2mm, crankcase
The internal diameter of ventilation duct 2 is 12mm.
Flange, the outer diameter and crankcase bleed pipe of first connecting tube 5 are provided at the outer diameter of first connecting tube 5
2 internal diameter is identical.
Flange, the outer diameter of second connecting tube 6 and the internal diameter of EGR pipe 3 are provided at the outer diameter of second connecting tube 6
It is identical.
In the present embodiment, flange is set at the outer diameter of first connecting tube 5, so that the first connecting tube 5 and crankcase
Ventilation duct 2 is not easy to fall off when connecting;Place is provided with flange in the outer of the second connecting tube 6, so that the second connecting tube 6
It is not easy to fall off when being connect with EGR pipe 3.
Further, the inner radius of the connecting hole 7 is provided with the internal screw thread matched with 4 external screw thread of engine air inlet tube.
In the present embodiment, engine air inlet tube 4 and 1 phase of mixing tank are fixed in the way of threaded connection, make crankcase
The gas that ventilation duct 2 is passed through is passed through in transmitter air inlet pipe 4 after mixing in mixing tank 1 with the gas that EGR pipe 3 is passed through.
Further, the mixing tank 1 is made of PA66-GF30 or PA6-GF30.
In the present embodiment, the PA66-GF30 or PA6-GF30 have high intensity, special thermostabilization, and hydrolysis is applicable in
In auto parts and components, the characteristics such as mechanical part have for making the mechanical part shield for needing high rigidity and dimensional stability
Red phosphorus combustion inhibitor long-time stability and excellent mechanical performance.
Crankcase bleed pipe anti-icing equipment described in the present embodiment heats crankcase bleed pipe by hot gas in low pressure EGR
Connector can effectively solve the problem that the ice formation issues under crankcase bleed pipe low temperature environment;
Crankcase bleed pipe anti-icing equipment described in the present embodiment reduces crankcase compared to conventional crankshafts case draft type
Ventilation ice blockage risk;
Crankcase bleed pipe anti-icing equipment described in the present embodiment reduces product compared to crankcase ventilation Electric heating
Cost and product complexity;
Crankcase bleed pipe anti-icing equipment described in the present embodiment reduces product compared to crankcase coolant liquid heating method
Cost and weight;
Crankcase bleed pipe anti-icing equipment described in the present embodiment is connect compared to conventional low voltage EGR with engine air inlet tube
Mode reduces EGR exhaust and engine air inlet tube Contact Temperature, can reduce engine charge tube material temperature resistant grade, significantly
Reduce product cost.
The present embodiment also discloses a kind of vehicle, and the vehicle includes aforementioned crankcase bleed pipe anti-icing equipment.
Vehicle described in the utility model can heat crankcase ventilation pipe fitting, Neng Gouyou by hot gas in low pressure EGR
Effect solves the ice formation issues under crankcase bleed pipe low temperature environment;
Crankcase bleed pipe anti-icing equipment in vehicle described in the utility model compares conventional crankshafts case draft type
Reduce crankcase ventilation ice blockage risk;
Vehicle crank shaft case ventilation duct anti-icing equipment described in the utility model is dropped compared to crankcase ventilation Electric heating
Low product cost and product complexity;
Vehicle crank shaft case ventilation duct anti-icing equipment described in the utility model is dropped compared to crankcase coolant liquid heating method
Low product cost and weight;
Vehicle crank shaft case ventilation duct anti-icing equipment described in the utility model compares conventional low voltage EGR and engine charge
Pipe connection type reduces EGR exhaust and engine air inlet tube Contact Temperature, can reduce engine charge tube material heatproof etc.
Grade, substantially reduces product cost.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (8)
1. a kind of crankcase bleed pipe anti-icing equipment, which is characterized in that described device includes mixing tank (1), crankcase ventilation
Manage (2), EGR pipe (3) and engine air inlet tube (4);The mixing tank (1) includes: the first connecting tube (5), the second connecting tube (6)
With connecting hole (7);
First connecting tube (5) is connected with crankcase bleed pipe (2);
Second connecting tube (6) is connected with EGR pipe (3);
The pipe circumference of the engine air inlet tube (4) is separated by the first venthole (8);
The connecting hole (7) is connected with the first venthole (8) of engine air inlet tube (4).
2. the apparatus according to claim 1, which is characterized in that first connecting tube (5) and crankcase bleed pipe (2)
Junction is using interference fit.
3. the apparatus according to claim 1, which is characterized in that the junction of the second connecting tube (6) and EGR pipe (3) uses
Interference fit.
4. the apparatus according to claim 1, which is characterized in that it is provided with flange at the outer diameter of first connecting tube (5),
The outer diameter of first connecting tube (5) is identical as the internal diameter of crankcase bleed pipe (2).
5. the apparatus according to claim 1, which is characterized in that it is provided with flange at the outer diameter of second connecting tube (6),
The outer diameter of second connecting tube (6) is identical as the internal diameter of EGR pipe (3).
6. the apparatus according to claim 1, which is characterized in that the inner radius of the connecting hole (7) is provided with and engine
The internal screw thread that air inlet pipe (4) external screw thread matches.
7. the apparatus according to claim 1, which is characterized in that the mixing tank (1) uses PA66-GF30 or PA6-
GF30 is made.
8. a kind of vehicle, which is characterized in that the vehicle includes that crankcase bleed pipe as claimed in claim 1 to 7 is anti-freeze
Device.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201920007564.6U CN209430260U (en) | 2019-01-03 | 2019-01-03 | A kind of crankcase bleed pipe anti-icing equipment and vehicle |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201920007564.6U CN209430260U (en) | 2019-01-03 | 2019-01-03 | A kind of crankcase bleed pipe anti-icing equipment and vehicle |
Publications (1)
Publication Number | Publication Date |
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CN209430260U true CN209430260U (en) | 2019-09-24 |
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CN201920007564.6U Active CN209430260U (en) | 2019-01-03 | 2019-01-03 | A kind of crankcase bleed pipe anti-icing equipment and vehicle |
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CN (1) | CN209430260U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112483288A (en) * | 2020-11-04 | 2021-03-12 | 东风汽车集团有限公司 | Crankcase breather pipe anti-icing structure and vehicle |
-
2019
- 2019-01-03 CN CN201920007564.6U patent/CN209430260U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112483288A (en) * | 2020-11-04 | 2021-03-12 | 东风汽车集团有限公司 | Crankcase breather pipe anti-icing structure and vehicle |
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